Ichimura, Taro
Chiu, Liang-da
Fujita, Katsumasa
Machiyama, Hiroaki
Yamaguchi, Tomoyuki
Watanabe, Tomonobu M.
Fujita, Hideaki
Article History
Received: 16 June 2016
Accepted: 1 November 2016
First Online: 23 November 2016
Competing interests
: The authors declare no competing financial interests.